All Blogs About GPS Week Rollover


By Robyn Federman, Head of Global Commercial Marketing
 
An Orolia customer required flawlessly synchronized receivers on two different Low Earth Orbits (LEO) with a time difference that could not exceed extremely tight constraints – within +/-100 picoseconds (ps).
By Lisa Perdue, Product Manager
 
GPS week zero started January 6, 1980. The 1024 weeks counter ran out and rolled over on August 21, 1999. The week counter then reset to zero, and it has been recounting ever since. The next time the counter will reach week 1023 and rollover to zero is on April 6, 2019.